Laws of chemical combination

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Law of conservation of mass
The law of conservation of mass, or principle of mass conservation, states that for any system closed to all transfers of matter and energy (both of which have mass), the mass of the system must remain constant over time, as system mass cannot change
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Law of constant proportions
A chemical compound always contains the same elements combined together in the same proportion by mass." For example, pure water obtained from different sources such as a river, a well, a spring, the sea, etc., always contains hydrogen and oxygen tog
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Law of multiple proportions
Law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation
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Gay Lussacs law of combining volumes
The volume of gases taking part in a chemical reaction show simple whole number ratios to one another when those volumes are measured at the same temperature and pressure.
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Avogadro Law
Avogadro's law states that, "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules". For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature
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Card 2

Front

Law of constant proportions

Back

A chemical compound always contains the same elements combined together in the same proportion by mass." For example, pure water obtained from different sources such as a river, a well, a spring, the sea, etc., always contains hydrogen and oxygen tog

Card 3

Front

Law of multiple proportions

Back

Preview of the front of card 3

Card 4

Front

Gay Lussacs law of combining volumes

Back

Preview of the front of card 4

Card 5

Front

Avogadro Law

Back

Preview of the front of card 5

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